ssas - String to MDX code -

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i have following scenario:

i have mdx code in cell in dimension.

e.g. [mdxcode].[code].[code] contains string: 

"([gl account].[gl account code l1].&[abc],[measures].[amount]) + ([gl account].[gl account code l1].&[xyz],[measures].[amount])"

now want cell evaluated mdx code.

i tried strtomember , totuple not working. e.g.

strtotuple([mdxcode].[code].[code])

however if limit example ([gl account].[gl account code l1].&[abc],[measures].[amount]) works. if add tuple sum both not..

try this:

strtovalue([mdxcode].[code].currentmember.name)

edit upon further info. if can make mdx formula property of ratio name:

strtovalue([finance ratio].[ratio name].currentmember.properties("mdx formula"))

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